5866540831 has 4 divisors (see below), whose sum is σ = 5873155632. Its totient is φ = 5859926032.

The previous prime is 5866540811. The next prime is 5866540847. The reversal of 5866540831 is 1380456685.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5866540831 is a prime.

It is a super-2 number, since 2×5866540831² = 68832602643580341122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5866540811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3306070 + ... + 3307843.

It is an arithmetic number, because the mean of its divisors is an integer number (1468288908).

Almost surely, 2^5866540831 is an apocalyptic number.

5866540831 is a deficient number, since it is larger than the sum of its proper divisors (6614801).

5866540831 is an equidigital number, since it uses as much as digits as its factorization.

5866540831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6614800.

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 5866540831 is about 76593.3471719313. The cubic root of 5866540831 is about 1803.5465908984.

The spelling of 5866540831 in words is "five billion, eight hundred sixty-six million, five hundred forty thousand, eight hundred thirty-one".